diff --git a/packages/default.nix b/packages/default.nix
index 8a70ae18..9ec4111c 100644
--- a/packages/default.nix
+++ b/packages/default.nix
@@ -87,7 +87,7 @@ inputs: rec
   sockpp = inputs.pkgs.callPackage ./sockpp.nix { src = inputs.topInputs.sockpp; };
   git-lfs-transfer = inputs.pkgs.callPackage ./git-lfs-transfer.nix
     { src = inputs.topInputs.git-lfs-transfer; hash = inputs.topInputs.self.src.git-lfs-transfer; };
-  py4vasp = inputs.pkgs.callPackage ./py4vasp.nix { src = inputs.topInputs.py4vasp; };
+  py4vasp = inputs.pkgs.callPackage ./py4vasp { src = inputs.topInputs.py4vasp; };
   pocketfft = inputs.pkgs.callPackage ./pocketfft.nix { src = inputs.topInputs.pocketfft; };
   spectroscopy = inputs.pkgs.callPackage ./spectroscopy.nix { src = inputs.topInputs.spectroscopy; };
   mirism = inputs.pkgs.callPackage ./mirism { inherit biu; stdenv = inputs.pkgs.clang18Stdenv; };
diff --git a/packages/py4vasp.nix b/packages/py4vasp.nix
deleted file mode 100644
index d2dbc0ab..00000000
--- a/packages/py4vasp.nix
+++ /dev/null
@@ -1,5 +0,0 @@
-{ src, poetry2nix, runCommand }:
-let
-  package = poetry2nix.mkPoetryApplication { projectDir = src; };
-  python = package.python.withPackages (p: [ package p.mdtraj ]);
-in runCommand "py4vasp" {} "mkdir -p $out/bin; ln -s ${python}/bin/python $out/bin/py4vasp"
diff --git a/packages/py4vasp/default.nix b/packages/py4vasp/default.nix
new file mode 100644
index 00000000..95f7dbab
--- /dev/null
+++ b/packages/py4vasp/default.nix
@@ -0,0 +1,10 @@
+{ src, poetry2nix, runCommand }:
+let
+  package = poetry2nix.mkPoetryApplication
+  {
+    projectDir = src;
+    overrides = poetry2nix.overrides.withDefaults (final: prev:
+      { numpy = prev.numpy.overridePythonAttrs { patches = prev.patches or [] ++ [ ./numpy.patch ]; }; });
+  };
+  python = package.python.withPackages (p: [ package p.mdtraj ]);
+in runCommand "py4vasp" {} "mkdir -p $out/bin; ln -s ${python}/bin/python $out/bin/py4vasp"
diff --git a/packages/py4vasp/numpy.patch b/packages/py4vasp/numpy.patch
new file mode 100644
index 00000000..1d5defd5
--- /dev/null
+++ b/packages/py4vasp/numpy.patch
@@ -0,0 +1,70 @@
+From f391623a00aff45f510bf815ddfb1817ae833059 Mon Sep 17 00:00:00 2001
+From: Katie Rust <katie@ktpanda.org>
+Date: Mon, 16 Sep 2024 13:04:22 -0500
+Subject: [PATCH] BUG: Stub out `get_build_msvc_version` if
+ `distutils.msvccompiler` cannot be imported (fixes #27405)
+
+---
+ numpy/distutils/mingw32ccompiler.py | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/numpy/distutils/mingw32ccompiler.py b/numpy/distutils/mingw32ccompiler.py
+index 39905a784088..2599a9e9a807 100644
+--- a/numpy/distutils/mingw32ccompiler.py
++++ b/numpy/distutils/mingw32ccompiler.py
+@@ -24,7 +24,13 @@
+ 
+ import distutils.cygwinccompiler
+ from distutils.unixccompiler import UnixCCompiler
+-from distutils.msvccompiler import get_build_version as get_build_msvc_version
++
++try:
++    from distutils.msvccompiler import get_build_version as get_build_msvc_version
++except ImportError:
++    def get_build_msvc_version():
++        return None
++
+ from distutils.errors import UnknownFileError
+ from numpy.distutils.misc_util import (msvc_runtime_library,
+                                        msvc_runtime_version,
+diff --git a/numpy/distutils/msvccompiler.py b/numpy/distutils/msvccompiler.py
+index 2b93221baa..d1fae7b6ca 100644
+--- a/numpy/distutils/msvccompiler.py
++++ b/numpy/distutils/msvccompiler.py
+@@ -1,5 +1,4 @@
+ import os
+-from distutils.msvccompiler import MSVCCompiler as _MSVCCompiler
+ 
+ from .system_info import platform_bits
+ 
+@@ -36,27 +35,12 @@ def _merge(old, new):
+     return ';'.join([old, new])
+ 
+ 
+-class MSVCCompiler(_MSVCCompiler):
++class MSVCCompiler:
+     def __init__(self, verbose=0, dry_run=0, force=0):
+-        _MSVCCompiler.__init__(self, verbose, dry_run, force)
++        pass
+ 
+     def initialize(self):
+-        # The 'lib' and 'include' variables may be overwritten
+-        # by MSVCCompiler.initialize, so save them for later merge.
+-        environ_lib = os.getenv('lib', '')
+-        environ_include = os.getenv('include', '')
+-        _MSVCCompiler.initialize(self)
+-
+-        # Merge current and previous values of 'lib' and 'include'
+-        os.environ['lib'] = _merge(environ_lib, os.environ['lib'])
+-        os.environ['include'] = _merge(environ_include, os.environ['include'])
+-
+-        # msvc9 building for 32 bits requires SSE2 to work around a
+-        # compiler bug.
+-        if platform_bits == 32:
+-            self.compile_options += ['/arch:SSE2']
+-            self.compile_options_debug += ['/arch:SSE2']
+-
++        pass
+ 
+ def lib_opts_if_msvc(build_cmd):
+     """ Add flags if we are using MSVC compiler